Pressure Converter

Free Pressure Converter — Convert PSI, Bar, Pascal, ATM & Torr Instantly

Convert pressure between any units instantly with OmniConverter's free online pressure converter. 1 PSI equals 6,895 pascals, 1 bar equals 100,000 pascals, and 1 atmosphere equals 14.696 PSI. Supports PSI, bar, pascal, atmosphere (atm), and torr. Whether you're checking tyre pressure, monitoring weather, or solving engineering problems, our tool delivers precise conversions.

How It Works

Convert in three simple steps.

1

Enter Your Pressure Value

2

Select Source and Target Pressure Units

3

Get Your Converted Pressure Reading

Popular Pressure Conversions

Common Benchmarks

Reference

1 PaPa

1 Pa

Reference

1 Pabar

0.00001 bar

Reference

1 Paatm

0.0000098692 atm

Reference

1 Papsi

0.0001450377 psi

Reference

1 PaTorr

0.0075006376 Torr

Real-World Use Cases

Pressure conversion is used for checking and inflating tyre pressure (PSI vs bar), industrial and engineering applications (PSI), scuba diving (bar and atm for tank and ambient pressure), and HVAC systems (inches of water column, Pa).

Related Converters

Embed this converter on your site

Free, responsive, no sign-up required. Just paste a snippet.

Get Embed Code

Frequently asked questions

Quick answers to common conversion questions

How do I convert pascals to bars?+

Divide pascals by 100,000 to get bars.

What is PSI?+

PSI means pounds per square inch, commonly used in tires and hydraulic systems.

How do I convert atm to kPa?+

Multiply atm by 101.325 to get kilopascals.

What is a Torr?+

A Torr is a unit of pressure based on millimeters of mercury, often used in vacuum work.

Can I convert bar to psi?+

Yes. Multiply bar by 14.5038 to get psi.

Why are there many pressure units?+

Different fields use different standards, such as engineering, meteorology, and chemistry.

What is a standard atmosphere?+

One atmosphere is about 101,325 pascals, roughly air pressure at sea level.

How do I convert mmHg to atm?+

Divide mmHg by 760 to estimate atmospheres.

Does pressure conversion depend on altitude?+

The unit conversion itself is fixed, but real-world pressure varies with location and altitude.

Which pressure unit is most common in science?+

Pascals are the SI unit and are widely used in scientific and engineering contexts.

Latest Blog Posts

Tips, guides, and insights about unit conversions

Jun 24, 20265 min read

Newton-Meters vs Pound-Feet: Understanding Torque and Force in Automotive Engineering

When comparing engine specs across car brands and markets, torque figures can appear in Newton-meters or pound-feet — two units that often cause confusion. Understanding the difference between Nm and lb-ft is essential for engineers, enthusiasts, and anyone shopping for a vehicle across global markets. In this guide, you'll learn exactly what torque means, how to convert between units, and why it matters for everything from diesel trucks to high-revving motorcycles.

Read More
Jun 12, 20266 min read

Points, Picas & Millimeters: A Designer's Guide to Typography Units in Print Layout

Mastering typography units is the foundation of professional print design — yet points, picas, and millimeters remain a mystery to many designers coming from a digital background. This guide breaks down every major print measurement unit, explains how they differ from screen units like px, em, and rem, and gives you the conversion formulas and practical layout tips you need to work confidently in Adobe InDesign and beyond.

Read More
Jun 5, 20268 min read

How Do You Convert Square Feet to Square Meters Easily? Formula Guide

Square foot and square meters are units of area, although they are used differently; square footage refers to how much space there is in an area measured in feet, and square metre refers to how much space there is in an area measured in meters whereas the square metre is part of the metric measurement system that is used to measure an area of land or building space in almost all countries around the world. Both units work well for measuring room size, land size, building/land size and/or building or commercial property size.

Read More
May 28, 20265 min read

Do You Weigh Less on the Moon? Understanding the Difference Between Mass and Weight

Ever wondered why astronauts bounce around on the Moon but still have the same body mass as on Earth? The difference between mass and weight is one of science's most misunderstood concepts — and it has fascinating implications for space travel, planetary exploration, and even your bathroom scale. Dive in to discover how gravity shapes what we weigh across the solar system.

Read More
May 25, 20266 min read

Why $1 Goes Further in Some Countries: Understanding Purchasing Power Parity and Currency Value

Not all dollars are created equal — a single dollar can buy a hearty meal in one country and barely cover a cup of coffee in another. This phenomenon is explained by Purchasing Power Parity (PPP), an economic concept that reveals the true value of money across borders, famously illustrated by tools like the Big Mac Index. Whether you're a traveler stretching your budget, an investor eyeing global markets, or simply a curious consumer, understanding PPP can change the way you think about money.

Read More